PoC.dstruct.deque

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Implements a deque (double-ended queue). This data structure allows two acting entities to queue data elements for the consumption by the other while still being able to unqueue untaken ones in LIFO fashion.

Entity Declaration:

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entity dstruct_deque is
  generic (
    D_BITS    : positive;               -- Data Width
    MIN_DEPTH : positive                -- Minimum Deque Depth
  );
  port (
    -- Shared Ports
    clk, rst : in std_logic;
    
    -- Port A
    dinA   : in  std_logic_vector(D_BITS-1 downto 0);  -- DataA Input
    putA   : in  std_logic;
    gotA   : in  std_logic;
    doutA  : out std_logic_vector(D_BITS-1 downto 0);  -- DataA Output
    validA : out std_logic;
    fullA  : out std_logic;
    
    -- Port B
    dinB   : in  std_logic_vector(D_BITS-1 downto 0);  -- DataB Input
    putB   : in  std_logic;
    gotB   : in  std_logic;
    doutB  : out std_logic_vector(D_BITS-1 downto 0);
    validB : out std_logic;
    fullB  : out std_logic
  );
end entity dstruct_deque;